IOS

Implementation of slide bar effect, slide bar Implementation of slide bar Effect   Effect   Source code SideViewController in https://github.com/YouXianMing/iOS-Project-Examples /// ViewController. m // SideViewController /// Created by

[Original] I will talk about the misunderstanding of the proxy mode in Objective-C, and the misunderstanding of objective-c.[Original] misunderstandings about the proxy mode in Objective-C Please specify the source for this reprinted article

NSFileManager and NSFileHandle for iOS Learning ),1. File Manager (NSFileManager) 1> main functions and functions Main role: this class is mainly used to perform operations on files (create, delete, and rename files) and obtain file information.

IOS time personalized settings and ios personalized settings Currently, in many projects, the time is not displayed directly. In many cases, the words "just", "XX minutes ago" are displayed, and so on. How do they achieve this? 1. create an NSDate

[IOS] imitates the YFMetroListBox and vblistbox indexes of the windowsphone List Index Control. Do you think that the index on the Right of UITableView is difficult to use? I always think that the List Index in WindowsPhone is very useful. Therefore,

Variable dictionary NSMutableDictionary, nsmutabledictionary Save it to a variable dictionary in nsuesrDefault, and then use a variable dictionary to receive it. NSMutableDictionary * dic = [[NSUserDefaults standardUserDefaults] valueForKey: @

[Code Note] mobile phone verification code, code note Verification Code I ,.   Ii. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m # Import "RootViewController. h "@ interface

IOS Development notes series-basics 3 (polymorphism, dynamic type, and dynamic binding), ios Polymorphism Polymorphism: the same name and different classes Make the ability of different classes to share the same method name become polymorphism. It

Summary of ARC and MRC, and summary of arcmrc ARC and MRC Memory Management From MRC-> ARC is to transfer the memory management part from the developer's function to the runtime outside the function. since the development of runtime is simple and

[Code Note] Do not stretch both sides of the image, center stretch, image stretch Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // do not stretch both sides of the image. In the middle, stretch

Comparison between SQLite and CoreData databases: sqlitecoredata1. SQLite Database The basic process for operating the sqlite database is to create a database and define the table structure by defining some fields. You can use SQL statements to

KVC principle and ioskvc principle for iOS Learning1. Implementation principle of KVC Traverse all keys in the dictionary. Take name as an example. Find the setName: Method in the model and call the value assignment directly. If the setName:

[Code Note] sets the row spacing method of textView or label, textviewlabel I ,. Ii. Code. RootViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // UILabel * label = [[UILabel alloc]

IOS learning and ios developmentDraw an in-place chart The following uses the bitmap image context to add a watermark to an image. In the following program, we first create the context and then draw the image, line, and text in the context, finally,

Bridging in iOS and iOS Bridge Mode in iOS C-> OC (_ Bridge tupe) expression: the ownership of the CoreFoundation framework object is handed over to the Foundation framework for use, but the objects in the Foundation framework cannot manage

[IOS] align the bottom of the text with different font sizes, and the ios font size. I switched from WP to IOS, but I still cannot put it ......   In a project, you must align the bottom of multiple texts of different sizes as follows: (Desired

Differences between KVC and KVO in iOS and iOSKVCKVO The two concepts KVC and KVO are often seen in iOS development, which may be confused.KVC (Key Value Coding) 1> Overview KVC: Key Value Coding, which is used to indirectly access instance

The source code of a 36-core iOS APP, iosapp   Features Offline Cache Slow network speed of video players Simple video player call Cell adaptive height Nested webView in cell Nested webView in cell

Black borders appear on the screen when ios runs some projects. ios Solutions I am going to learn about the MVVM design mode today. So I went Down an MVVM demo from GitHub (here is the address). After downloading it, I will run it on the simulator,

The control on the UIView uses the push method to jump to, uiviewpush Sometimes in a project, in order to ensure the consistency of the forward and backward page Jump methods, the control on the UIview will jump to another Controller. Therefore,